Product Details Portable spot-check monitoring. Accurate Measurements: Blood oxygen level; Pulse rate. Multiple uses: Air travel; Sports and recreation; home fitness. Features: Comfortable fingertip measurements; Simple one-button operation; Fast reliable results; Easy-read dual color OLED display; 5 Adjustable brightness settings; 6 Display orientation modes; Automatic shut-off; Two-year limited warranty. Ideal for sports and fitness enthusiasts. Easy applicator. Complete with fingertip pulse oximeter, lanyard with quick-release attachment, 2 AAA batteries, soft-side travel case and English/Spanish instruction manual. The Leader Pulse Oximeter is a reliable tool for sports and fitness enthusiasts to spot-check their blood oxygen saturation level and pulse rate at the fingertip. This lightweight portable unit takes fast and accurate measurements. Essential to care since 1979. www.myleader.com. All Leader brand products have a 100% money back guarantee. Return to place of purchase if not satisfied. Made in China.